CHANGES IN THE CARDIOVASCULAR SYSTEM ACTIVITY OF ATHLETES INVOLVED IN KAYAKING AND CANOEING
This study investigated the effects of ambient temperature and anthropogenic factors on selected physiological parameters of
athletes regularly engaged in kayaking and canoeing. The study involved 72 participants aged 18–21 years. Assessments were
performed before and after physical exercise under ambient temperature conditions of 18–20°C and 35–39°C. The evaluated
parameters included heart rate (beats/min), maximum systolic arterial blood pressure (SBPmax, mmHg), minimum diastolic arterial
blood pressure (DBPmin, mmHg), and pulse pressure (mmHg). The results demonstrated that regular participation in kayaking and
canoeing improves the functional capacity of the cardiovascular system and enhances the body's adaptation to physical exercise
and high environmental temperatures. The relative stability of heart rate and arterial blood pressure observed in athletes indicates
a high level of adaptation of the cardiorespiratory system and thermoregulatory mechanisms. Long-term sports training was found
to induce pronounced morphofunctional adaptations of the cardiovascular system in kayak and canoe athletes, thereby contributing
to the maintenance of physical performance under conditions of elevated ambient temperature.
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